//
//  NSDictionary+Helper.h
//  TakeBus
//
//  Created by cqck on 2017/8/2.
//  Copyright © 2017年 cqck-zzh. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSDictionary (Helper)

///将字典转换成JSON字符串
- (NSString *)convertToJson;

- (NSDictionary *)deleteAllNullValue;

@end
